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Where is the blower motor on an AC unit

By Ava Robinson

The blower motor sits inside the “air handler”, otherwise known as the indoor unit (see below).

Where is the blower located in the AC unit?

The blower fan is located in the inside portion of your air conditioner and is so named because it is responsible for blowing the air to the ductwork in your system which then allows for the distribution of the air throughout your home.

Where is the blower motor usually located?

The blower motor is usually under the dashboard on the passenger side. Blower motors that make loud squeaks or rattling noises may be worn out and on the verge of packing it in, but sometimes those noises are caused by leaves or other debris that can be cleaned out after the motor is removed from the vehicle.

How do I know if my AC blower motor is bad?

  1. AC Fan Doesn’t Start. Even though you have the AC turned on, the fan does not start.
  2. AC Fan Doesn’t Stop. …
  3. Slow Rotating Blades. …
  4. Outside Fan Blades Are Still. …
  5. Rattling, Humming, and Buzzing Noises. …
  6. AC Runs Intermittently. …
  7. No Cold Airflow.

Is the blower motor inside or outside?

What Is a Blower Motor? Unlike the condenser fan motor, the blower motor is located indoors. It’s the component that blows cool air through the ducts and into different parts of your home. So it’s essentially your air mover.

Is it hard to replace a blower motor?

If you don’t want to sweat or shiver, then find a good mechanic. The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.

How much does it cost to replace a AC blower motor?

Replacing a blower motor costs $450 on average with a typical range of $250 to $800. With a warranty, you might pay as little as $150 for labor alone. For high-end models, like those with large motors or access issues, you might pay as much as $2,000.

What happens if the blower motor goes out?

If the motor either burns out or short circuits, it will not function at all, which means you won’t get any hot or cold air. In most cases, the mechanic servicing your vehicle will need to replace the blower motor entirely if you are to have restored operation in the system.

What happens when blower motor goes bad?

You might also hear ongoing whirring noises, or noises that change or get louder if you increase the fan speed. These are all signs of problems with the blower motor. In some cases, you may even notice smoke or smells of burning while driving, in which case you should pull over immediately.

What causes AC blower to stop working?

One of the most common reasons fans stop spinning is because of a dead capacitor. … Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run capacitor, which keeps the motor running. Capacitors can go bad over time and need to be replaced.

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Can you fix a blower motor?

There are a number of things that can go wrong with your heating system, but if the air stops blowing altogether and the same is true on cold air settings, a blower motor replacement is likely in order. The good news is that it’s a fairly straight forward repair.

Does the air conditioner have a blower?

Air conditioner blower or fan is one of the key components that is needed as part of the air conditioning system. The function of the blower is to produce air movement to the space that is being conditioned.

How do I reset my AC blower?

  1. Step 1: Turn off the power to the furnace. …
  2. Step 2: Remove the blower compartment cover. …
  3. Step 3: Make sure the blower is completely cooled off. …
  4. Step 4: Locate the reset button. …
  5. Step 5: Press the button in (assuming that this is your issue and that the button has popped).

What is a blower motor on AC unit?

A blower motor turns the fan in your HVAC unit, which causes the outgoing air to circulate out of the system and into the rooms of your home. The blower motor is the part of your HVAC system that gets your home to the temperature set on your thermostat.

How long does it take to replace a blower motor?

It takes between 45 to 90 minutes for a HVAC specialist to: replace the blower motor, adjust it, clean the fan, test it and assemble the furnace back together.

How long does an AC blower motor last?

The blower motor in your home or office should last anywhere from 10 to 20 years. Modern sealed bearings and sealed bushings can push the lifespan to its maximum of 20 years.

Does blower motor have a fuse?

The blower motor is powered by a fuse-like device called a relay. If your heater or air conditioner does not blow air through the vents, this could indicate that the blower motor fuse has probably blown. While replacement is easy, the exact location of your blower motor fuse may vary from vehicle to vehicle.

How often do blower motors go out?

Even though the manufacturer states their blower motor will last two decades, we advise all clients to expect a 10-20-year life span due to age, use, and proactive maintenance.

What does a bad blower motor sound like?

A defective blower motor will make a continuous sound noticeable by the passengers in the vehicle. It can manifest as a knocking, whirring, clunking, vibrating, squealing, or whining noise that persists until the blower motor is replaced.

Can a bad blower motor cause overheating?

This may be due to a faulty heater blower motor or potentially a bad heater core. … Engine overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch.

Where is the blower motor relay located?

The blower motor relay is generally located in the under-hood fuse box or in the under-dash fuse box. A blown fuse can mimic relay failure.

Why is my AC only working on high?

When a blower resistor fails, the highest fan speed usually is the only one that still works because it essentially bypasses the resistor and receives the maximum amount of voltage. When the resistor is working, it reduces the amount of voltage going to the lower fan speeds, so the fan runs slower.

What does blower motor reset button look like?

Examine the exposed components in the furnace cabinet to locate the blower motor; look for a small silver box positioned toward the top of the cabinet. Mounted just above this box you should see a small round component with a raised red or white button at the center; this is the blower reset switch.

Where is the AC reset button?

An AC’s reset button is typically red and visible, so it should be easy to spot. If you don’t see a reset button on the outside, it could be located inside the unit behind the service panel. Before poking around inside the machinery, be sure to cut power to the system by flipping off your circuit breaker.